protected override void OnUpdateFrame(FrameEventArgs e)
{
timestep = mTimer.GetElapsedSeconds();
Sphere.Update();
Light.Update();
EmitterBox.Update();
SpotLight.Update();
Camera.Update(camera);
}
protected override void OnLoad(EventArgs e)
{
// On load methods to reading shaders ,models , textures ...
GL.ClearColor(Color4.Black);
GL.Enable(EnableCap.DepthTest);
Camera.Type = CameraType.FreeCam;
mShader = new ShaderUtility(@"ACW/Shaders/vSdr.vert", @"ACW/Shaders/fLight.frag");
mSphereModel = ModelUtility.LoadModel(@"Utility/Models/sphere.bin");
mCubeModel = ModelUtility.LoadModel(@"Utility/Models/MainCube.sjg");
mCylinderModel = ModelUtility.LoadModel(@"Utility/Models/cylinder.bin");
int vPositionLocation = GL.GetAttribLocation(mShader.ShaderProgramID, "vPosition");
int vNormalLocation = GL.GetAttribLocation(mShader.ShaderProgramID, "vNormal");
int vTexCoords = GL.GetAttribLocation(mShader.ShaderProgramID, "vTexCoords");
int size;
GL.UseProgram(mShader.ShaderProgramID);
GL.GenVertexArrays(mVAO.Length, mVAO);
GL.GenBuffers(mVBO.Length, mVBO);
//Textures
Txt1 = new Texture(@"ACW/Shaders/tx2.jpg", TextureUnit.Texture0);
Txt2 = new Texture(@"ACW/Shaders/tx.jpg", TextureUnit.Texture1);
#region Spheres
GL.BindVertexArray(mVAO[0]);
GL.BindBuffer(BufferTarget.ArrayBuffer, mVBO[0]);
GL.BufferData(BufferTarget.ArrayBuffer, (IntPtr)(mSphereModel.Vertices.Length * sizeof(float)), mSphereModel.Vertices, BufferUsageHint.StaticDraw);
GL.BindBuffer(BufferTarget.ElementArrayBuffer, mVBO[1]);
GL.BufferData(BufferTarget.ElementArrayBuffer, (IntPtr)(mSphereModel.Indices.Length * sizeof(float)), mSphereModel.Indices, BufferUsageHint.StaticDraw);
GL.GetBufferParameter(BufferTarget.ArrayBuffer, BufferParameterName.BufferSize, out size);
if (mSphereModel.Vertices.Length * sizeof(float) != size)
{
throw new ApplicationException("Vertex data not loaded onto graphics card correctly");
}
GL.GetBufferParameter(BufferTarget.ElementArrayBuffer, BufferParameterName.BufferSize, out size);
if (mSphereModel.Indices.Length * sizeof(float) != size)
{
throw new ApplicationException("Index data not loaded onto graphics card correctly");
}
GL.EnableVertexAttribArray(vPositionLocation);
GL.VertexAttribPointer(vPositionLocation, 3, VertexAttribPointerType.Float, false, 6 * sizeof(float), 0);
GL.EnableVertexAttribArray(vNormalLocation);
GL.VertexAttribPointer(vNormalLocation, 3, VertexAttribPointerType.Float, true, 6 * sizeof(float), 3 * sizeof(float));
#endregion // Binds Spheres
#region Cubes
GL.BindVertexArray(mVAO[1]);
GL.BindBuffer(BufferTarget.ArrayBuffer, mVBO[2]);
GL.BufferData(BufferTarget.ArrayBuffer, (IntPtr)(mCubeModel.Vertices.Length * sizeof(float)), mCubeModel.Vertices, BufferUsageHint.StaticDraw);
GL.BindBuffer(BufferTarget.ElementArrayBuffer, mVBO[3]);
GL.BufferData(BufferTarget.ElementArrayBuffer, (IntPtr)(mCubeModel.Indices.Length * sizeof(float)), mCubeModel.Indices, BufferUsageHint.StaticDraw);
GL.GetBufferParameter(BufferTarget.ArrayBuffer, BufferParameterName.BufferSize, out size);
if (mCubeModel.Vertices.Length * sizeof(float) != size)
{
throw new ApplicationException("Vertex data not loaded onto graphics card correctly");
}
GL.GetBufferParameter(BufferTarget.ElementArrayBuffer, BufferParameterName.BufferSize, out size);
if (mCubeModel.Indices.Length * sizeof(float) != size)
{
throw new ApplicationException("Index data not loaded onto graphics card correctly");
}
GL.EnableVertexAttribArray(vPositionLocation);
GL.VertexAttribPointer(vPositionLocation, 3, VertexAttribPointerType.Float, false, 8 * sizeof(float), 0);
GL.EnableVertexAttribArray(vNormalLocation);
GL.VertexAttribPointer(vNormalLocation, 3, VertexAttribPointerType.Float, true, 8 * sizeof(float), 3 * sizeof(float));
GL.EnableVertexAttribArray(vTexCoords);
GL.VertexAttribPointer(vTexCoords, 2, VertexAttribPointerType.Float, true, 8 * sizeof(float), 6 * sizeof(float));
#endregion // Bind Cubes
#region Cylinders
GL.BindVertexArray(mVAO[2]);
GL.BindBuffer(BufferTarget.ArrayBuffer, mVBO[4]);
GL.BufferData(BufferTarget.ArrayBuffer, (IntPtr)(mCylinderModel.Vertices.Length * sizeof(float)), mCylinderModel.Vertices, BufferUsageHint.StaticDraw);
GL.BindBuffer(BufferTarget.ElementArrayBuffer, mVBO[5]);
GL.BufferData(BufferTarget.ElementArrayBuffer, (IntPtr)(mCylinderModel.Indices.Length * sizeof(float)), mCylinderModel.Indices, BufferUsageHint.StaticDraw);
GL.GetBufferParameter(BufferTarget.ArrayBuffer, BufferParameterName.BufferSize, out size);
if (mCylinderModel.Vertices.Length * sizeof(float) != size)
{
throw new ApplicationException("Vertex data not loaded onto graphics card correctly");
}
GL.GetBufferParameter(BufferTarget.ElementArrayBuffer, BufferParameterName.BufferSize, out size);
if (mCylinderModel.Indices.Length * sizeof(float) != size)
{
throw new ApplicationException("Index data not loaded onto graphics card correctly");
}
GL.EnableVertexAttribArray(vPositionLocation);
GL.VertexAttribPointer(vPositionLocation, 3, VertexAttribPointerType.Float, false, 6 * sizeof(float), 0);
GL.EnableVertexAttribArray(vNormalLocation);
GL.VertexAttribPointer(vNormalLocation, 3, VertexAttribPointerType.Float, true, 6 * sizeof(float), 3 * sizeof(float));
#endregion
//Checking acctivity o gravity is on
if (gravityAcceleration.Y == 0)
{
gravityOn = false;
}
else
{
gravityOn = true;
}
int uView = GL.GetUniformLocation(mShader.ShaderProgramID, "uView");
GL.UniformMatrix4(uView, true, ref mView);
//Manages the projection for resizing the window
int uProjectionLocation = GL.GetUniformLocation(mShader.ShaderProgramID, "uProjection");
Matrix4 projection = Matrix4.CreatePerspectiveFieldOfView(1, (float)ClientRectangle.Width / ClientRectangle.Height, 0.5f, viewDistance);
GL.UniformMatrix4(uProjectionLocation, true, ref projection);
Light.Inside();
Level.Inside();
EmitterBox.Inside();
SpotLight.Inside();
GL.BindVertexArray(0);
base.OnLoad(e);
}